/Engine/Source/Editor/SceneOutliner/Public/SOutlinerTreeView.h
Construct this widget
void Construct ( const [FArguments](API\Editor\UnrealEd\Editor\SListView\FArguments) & InArgs, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SSceneOutliner](API\Editor\SceneOutliner\SSceneOutliner) > Owner )